Find Deals on Flights from Portland to Costa Rica

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Portland to Costa Rica

(Round-trip)
Depart: Fri Jan 13 2017 Return: Mon Jan 23 2017 Trip spans 11 days
United
United
PWM
12:40p
LIR
10:55a
22h 15m
2 stops
LIR
2:50a
PWM
3:45a
24h 55m
2 stops
Depart: Sat May 6 2017 Return: Sat May 20 2017 Trip spans 15 days
American Airlines
American Airlines
PWM
10:50a
LIR
10:14a
23h 24m
2 stops
LIR
10:40a
PWM
4:05a
17h 25m
2 stops
Depart: Thu Feb 2 2017 Return: Thu Feb 16 2017 Trip spans 15 days
Delta
Delta
PWM
12:40a
LIR
5:01p
16h 21m
1 stop
LIR
3:00a
PWM
6:19a
27h 19m
2 stops
Depart: Mon Jan 23 2017 Return: Wed Feb 1 2017 Trip spans 10 days
Major Airline
Major Airline
PWM
7:40a
SJO
1:25p
29h 45m
1 stop
SJO
4:20a
PWM
4:55a
48h 35m
1 stop
Depart: Sat Feb 18 2017 Return: Sat Feb 25 2017 Trip spans 8 days
Copa Airlines
Copa Airlines
PWM
12:42p
SJO
7:51a
19h 09m
2 stops
SJO
2:36a
PWM
5:34a
26h 58m
2 stops
Depart: Sun Feb 5 2017 Return: Wed Feb 15 2017 Trip spans 11 days
United
United
PWM
12:40p
LIR
8:30a
19h 50m
2 stops
LIR
2:50a
PWM
4:03a
25h 13m
2 stops
Depart: Fri Feb 3 2017 Return: Thu Feb 16 2017 Trip spans 14 days
Delta
Delta
PWM
7:57a
LIR
9:33a
25h 36m
2 stops
LIR
3:00a
PWM
6:19a
27h 19m
2 stops
Depart: Mon Feb 6 2017 Return: Wed Feb 15 2017 Trip spans 10 days
United
United
PWM
12:40p
LIR
8:30a
19h 50m
2 stops
LIR
2:50a
PWM
2:14p
11h 24m
2 stops
Depart: Wed Feb 8 2017 Return: Wed Feb 15 2017 Trip spans 8 days
United
United
PWM
5:15a
LIR
5:05p
11h 50m
2 stops
LIR
2:50a
PWM
5:34a
26h 44m
2 stops
Depart: Mon Jan 9 2017 Return: Sat Jan 14 2017 Trip spans 6 days
American Airlines
American Airlines
PWM
2:25p
SJO
9:23a
18h 58m
2 stops
SJO
9:18a
PWM
8:42a
23h 24m
2 stops
Depart: Fri Mar 17 2017 Return: Mon Mar 27 2017 Trip spans 11 days
Delta
Delta
PWM
1:55a
LIR
10:19a
32h 24m
2 stops
LIR
3:00a
PWM
5:14p
14h 14m
2 stops
Depart: Sat Feb 4 2017 Return: Wed Feb 15 2017 Trip spans 12 days
United
United
PWM
12:40p
LIR
9:00a
20h 20m
1 stop
LIR
8:35a
PWM
4:03a
19h 28m
2 stops
Depart: Tue Feb 7 2017 Return: Wed Feb 15 2017 Trip spans 9 days
United
United
PWM
12:40p
LIR
9:00a
20h 20m
1 stop
LIR
8:35a
PWM
5:34a
20h 59m
2 stops
Depart: Sat Apr 15 2017 Return: Thu Apr 20 2017 Trip spans 6 days
Copa Airlines
Copa Airlines
PWM
3:15a
SJO
7:35p
16h 20m
2 stops
SJO
10:30a
PWM
4:42p
30h 12m
2 stops
Depart: Fri Mar 10 2017 Return: Sat Mar 18 2017 Trip spans 8 days
American Airlines
American Airlines
PWM
9:50a
SJO
10:30a
24h 40m
1 stop
SJO
10:35a
PWM
2:16p
27h 41m
1 stop
Depart: Tue Apr 11 2017 Return: Fri Apr 21 2017 Trip spans 11 days
American Airlines
American Airlines
PWM
10:50a
LIR
10:14a
23h 24m
2 stops
LIR
2:00a
PWM
2:16p
12h 16m
3 stops
Depart: Fri May 5 2017 Return: Sun May 14 2017 Trip spans 10 days
United
United
PWM
3:20p
LIR
6:15p
26h 55m
2 stops
LIR
2:50a
PWM
8:04a
29h 14m
2 stops
Depart: Sat Jan 21 2017 Return: Sun Jan 29 2017 Trip spans 9 days
Delta
Delta
PWM
2:10a
SJO
5:01p
14h 51m
2 stops
SJO
9:25a
PWM
5:47p
8h 22m
1 stop
Depart: Mon Dec 19 2016 Return: Fri Dec 23 2016 Trip spans 5 days
United
United
PWM
12:55a
LIR
9:00a
8h 05m
1 stop
LIR
9:05a
PWM
9:58a
24h 53m
1 stop
Depart: Wed Mar 8 2017 Return: Wed Mar 15 2017 Trip spans 7 days
Delta
Delta
PWM
12:40a
LIR
9:03a
8h 23m
1 stop
LIR
3:00a
PWM
5:14p
14h 14m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Portland
$387
Destination

Liberia
$387
San Jose
$465